Polishing machine



Bec. lll, w23. 11,477,426

` G, A. CARLSON POLISHING MACHINE Filed A1122. 19. 1920 2 Sheets-Sheet 1 (SS I f l bringing the clamp head 33 into contact with vthe' work at a point in linel with its axis of rotation with the work holder on the shaft 18. Rotation of the sleeve 41 in the opposite direction releases the rod which is moved b i the spring to Withdraw the clamp head 33 rom contact with the Work.V A dowol 43 engaging a socket 44 revents rotation of the rod 34 in its brac et 35 when the head 33 is in clamping position.

By the use of the means described herein one Workman can operate a series of inachines, placing the Worlr r" position on each in succession and replacing the pieces as the polishing is completed, by unpolshed pieces, Without having to devote his entire attention to a single piece, as in the ordinary machines in use hitherto. After the sides of the pans are polished in a machine of this type, thepbottom and interior are polished by other machines.

1. A machine for presenting Work to a polishing! device comprising a base, a carriage slidably mounted on the base, a support mounted on the carriage, means for adjusting the support vertically on the carriage, a swinging trame pivoted to the supnavman 2. A Work holder mounted for rotation and having a portion to engage the interior of hollow work, and a clan'iping member comprising an l.shaped arm mounted to engage the exterior of the Work at the axis of rotation, a bracket in which the arm is slidably mounted aclamping headon one portion of the arm, and a cam on the other portion of the arm to force the clamp head into Contact with the work.

3. A Work holding clamp comprising a y bracket, an H -shaped member having one leg of the IL mounted for sliding movement in the bracket, a clamp head adjustably mounted on the other leg of the l., and positive means for moving the L-shaped member in the bracket to cause the clamp head to engage the Work.

In testimony whereof. l affix my signature in presence of two witnesses.

GUSTAVE A. CARLSON. Witnesses:

` ARTHUR MINNICK,

H., C. Unnnnvvoon. 

